Supreme bass wireless compact speaker ultra-portable with durable strap for easy portability. Dirt-proof coating with Bluetooth, line-in, Micro SD card and FM radio. Features - Wireless and compact speaker - Ultra portable with durable strap - Dirt-proof rubber finishing for better protection - Connects easily with any Bluetooth-enabled device - Sends bold and immersive sound in every direction - Also supports AUX line-in, MicroSD card and FM radio - Charges with the most USB power sources Technical Specifications: - Product SKU: A12535-B - Bluetooth Version: 2.1 - Input: DC 5V - Output Power: 2W (tweeters) 7W (sub) - Speaker Size: 2 Inch (tweeters) 4 Inch (sub) - Distortion: 0.5 percentages @ 1W - Frequency: 100Hz - 20KHz - S/N Ratio: greater than or equal to 80dB - Transmission: 10m - Battery: Built-in 3000mAh rechargeable battery - Dimension: 260 x 135 x 140 mm (L x W x H) - Weight: 1290g (Approx.) Package Contents: - Wireless Speaker - Charging & Aux Cable - Strap - User Manual What's in the box 1 X Astrum 2.1CH Wireless Speaker 11W 4 Inch Bluetooth / FM / TF